Product comparison · 2 laptops

Lenovo IdeaPad N581 Intel® Core™ i5 i5-3210M Laptop vs Lenovo IdeaPad S400 Intel® Core™ i3 i3-2365M Laptop

155specifications compared
41differ
114identical
24known for one product only

Key differences

Product colour
- IdeaPad N581 Intel® Core™ i5 i5-3210M Laptop:Black
- IdeaPad S400 Intel® Core™ i3 i3-2365M Laptop:Graphite
Display diagonal
- IdeaPad N581 Intel® Core™ i5 i5-3210M Laptop:39.6 cm (15.6")
- IdeaPad S400 Intel® Core™ i3 i3-2365M Laptop:35.6 cm (14")
Display diagonal (metric)
- IdeaPad N581 Intel® Core™ i5 i5-3210M Laptop:39.6 cm
- IdeaPad S400 Intel® Core™ i3 i3-2365M Laptop:35.6 cm
Processor family
- IdeaPad N581 Intel® Core™ i5 i5-3210M Laptop:Intel® Core™ i5
- IdeaPad S400 Intel® Core™ i3 i3-2365M Laptop:Intel® Core™ i3
Processor generation
- IdeaPad N581 Intel® Core™ i5 i5-3210M Laptop:3rd gen Intel® Core™ i5
- IdeaPad S400 Intel® Core™ i3 i3-2365M Laptop:2nd gen Intel® Core™ i3
Processor model
- IdeaPad N581 Intel® Core™ i5 i5-3210M Laptop:i5-3210M
- IdeaPad S400 Intel® Core™ i3 i3-2365M Laptop:i3-2365M
Processor frequency
- IdeaPad N581 Intel® Core™ i5 i5-3210M Laptop:2.5 GHz
- IdeaPad S400 Intel® Core™ i3 i3-2365M Laptop:1.4 GHz
Processor lithography
- IdeaPad N581 Intel® Core™ i5 i5-3210M Laptop:22 nm
- IdeaPad S400 Intel® Core™ i3 i3-2365M Laptop:32 nm

Side by side

Differences highlightedShow differences only

Comparison of N581, S400
179 specifications	A Lenovo IdeaPad N581 Intel® Core™ i5 i5-3210M Laptop Model N581 View product	B Lenovo IdeaPad S400 Intel® Core™ i3 i3-2365M Laptop Model S400 View product
Design1 differ
Product colourDiffers	Black	Graphite
Housing materialKnown for one	Unknown — not stated by the source	Metal
Display2 differ
Display diagonalDiffers	39.6 cm (15.6")	35.6 cm (14")
Display brightnessKnown for one	200 cd/m²	Unknown — not stated by the source
Display diagonal (metric)Differs	39.6 cm	35.6 cm
Display surfaceKnown for one	Unknown — not stated by the source	Gloss
Processor12 differ
Processor familyDiffers	Intel® Core™ i5	Intel® Core™ i3
Processor generationDiffers	3rd gen Intel® Core™ i5	2nd gen Intel® Core™ i3
Processor modelDiffers	i5-3210M	i3-2365M
Processor boost frequencyKnown for one	3.1 GHz	Unknown — not stated by the source
Processor frequencyDiffers	2.5 GHz	1.4 GHz
Processor lithographyDiffers	22 nm	32 nm
Processor seriesDiffers	Intel Core i5-3200 Mobile series	Intel Core i3-2300 Mobile Series
Processor codenameDiffers	Ivy Bridge	Sandy Bridge
SteppingDiffers	L1	J1
Thermal Design Power (TDP)Differs	35 W	17 W
TjunctionDiffers	105 °C	100 °C
PCI Express slots versionDiffers	3.0	2.0
CPU multiplier (bus/core ratio)Differs	25	14
Memory3 differ
Memory clock speedKnown for one	1600 MHz	Unknown — not stated by the source
Memory slotsDiffers	2x SO-DIMM	1x SO-DIMM
Memory slots (available)Differs	1	0
Maximum internal memoryDiffers	8 GB	4 GB
Storage1 differ
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
Optical drive typeDiffers	DVD Super Multi	No
HDD speedKnown for one	Unknown — not stated by the source	5400 RPM
Graphics3 differ
On-board graphics card modelDiffers	Intel® HD Graphics 4000	Intel® HD Graphics 3000
On-board graphics card base frequencyDiffers	650 MHz	350 MHz
On-board graphics card dynamic frequency (max)Differs	1100 MHz	1000 MHz
On-board graphics card IDKnown for one	0x166	Unknown — not stated by the source
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	Dolby Advanced Audio v2
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Speaker powerKnown for one	Unknown — not stated by the source	4 W
Cameraidentical
Front camera resolution (numeric)Known for one	0.3 MP	Unknown — not stated by the source
Network4 differ
Networking featuresDiffers	Gigabit Ethernet	Fast Ethernet
Ethernet LAN data ratesDiffers	10,100,1000 Mbit/s	10,100 Mbit/s
Cabling technologyDiffers	10/100/1000Base-T(X)	10/100Base-T(X)
Networking standardsDiffers	IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.3, IEEE 802.3ab, IEEE 802.3u	IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.3, IEEE 802.3u
Ports & interfaces2 differ
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	1
VGA (D-Sub) ports quantityDiffers	1	0
Modem (RJ-11) portsKnown for one	0	Unknown — not stated by the source
Headphone outputsKnown for one	Unknown — not stated by the source	0
Performanceidentical
Motherboard chipsetKnown for one	Intel HM76 Express	Unknown — not stated by the source
Keyboard1 differ
Numeric keypadDiffers	Yes	No
Keyboard layoutKnown for one	Unknown — not stated by the source	QWERTZ
Keyboard languageKnown for one	Unknown — not stated by the source	German
Software1 differ
Operating system installedDiffers	FreeDOS	Windows 7 Home Premium
Operating system architectureKnown for one	Unknown — not stated by the source	64-bit
Processor special features7 differ
Graphics & IMC lithographyDiffers	22 nm	32 nm
Intel Secure Key Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel Virtualization Technology for Directed I/O (VT-d)Differs	Yes	No
Intel® AES New Instructions (Intel® AES-NI)Differs	Yes	No
Intel® Secure KeyKnown for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost TechnologyDiffers	2.0	No
Processor ARK IDDiffers	65708	70272
Processor codeDiffers	SR0N0	SR0U3
Conflict-Free processorDiffers	Yes	No
Batteryidentical
Battery capacityKnown for one	4400 mAh	Unknown — not stated by the source
Poweridentical
AC adapter powerKnown for one	Unknown — not stated by the source	40 W
Weight & dimensions4 differ
WeightDiffers	2.6 kg	1.8 kg
WidthDiffers	375 mm	336.6 mm
DepthDiffers	245 mm	241.2 mm
HeightDiffers	34.3 mm	21.9 mm
Other featuresidentical
Internal modemKnown for one	No	Unknown — not stated by the source
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	No

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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